Database Systems MCQs – Practice Test 16 (Chapter 10)
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MCQ 76: A query language constituting a set of operations taking input of one or two relations and generating a relation as result, is known as:
MCQ 77: The basic operations of relational algebra includes Select, project, union, set difference, Cartesian product, and:
MCQ 78: The Cartesian product of two relations r1 andr2 is represented as:
MCQ 79: A relation can be known as a subset of a Cartesian product of a set of:
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